4Z 752 then 5Z 324 at Johannesburg
Mthatha → Johannesburg → Durban
Timetable, Johannesburg time
09:204Z 752 from Mthatha at the gate
09:305Z 324 to Durban leaves the gate
10 min apart on the timetable
Johannesburg’s board gives an arrival time for only about 52% of its flights, so many days show no gate time.
The last days
4Z 752 and 5Z 324 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.